The Following Questions Refer to This Phylogenetic Tree, Depicting the Origins

question 54

Multiple Choice

The following questions refer to this phylogenetic tree, depicting the origins of life and of the three domains. Horizontal lines indicate instances of gene or genome transfer.

Figure 26.4. A possible phylogenetic tree for the three domains of life.
-Which portion of Figure 26.4 may ultimately be better depicted as a "ring"?

• A) the bacterial lineage
• B) the archaean lineage
• C) the eukaryotic lineage
• D) the trunk of the tree
• E) the part corresponding to the first living cell on Earth

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Definitions:

Silent Suffering

Experiencing pain or distress without expressing it openly or seeking help, often due to fear or stigma.

Curandero

A traditional folk healer or shaman in Latin American cultures, known for using herbal remedies, spiritualism, and rituals to treat physical and spiritual illnesses.

Shaman

A person regarded as having access to, and influence in, the world of good and evil spirits, often within indigenous cultures, and who typically uses trance states to practice healing and divination.

Culturally Sensitive

Having an awareness of, and respect for, the differences in cultures and beliefs, especially in professional practices.